Finding the Fourth Proportional to 1,807.65, 2,494.14 and 1,061.57

Step by Step Solution

1. Step 1: Write the proportion equation
   1,807.65 : 2,494.14 = 1,061.57 : x
2. Step 2: Convert to fraction form
   1,807.65/2,494.14 = 1,061.57/x
3. Step 3: Cross multiply
   1,807.65x = 2,494.14 × 1,061.57
4. Step 4: Simplify right side
   1,807.65x = 2,647,704.20
5. Step 5: Solve for x
   x = 2,647,704.20/1,807.65
6. Step 6: Final answer
   x = 1,464.72